55% (1972)

47% (1973)

61% (1943)

46% (1975)

63% (1926)

63% (1947)

64% (1961)

43% (1989)

52% (1959)

54% (1970)

69% (1925)

55% (1957)

62% (1961)

54% (1955)

64% (1953)

52% (1964)

58% (1966)

50% (1966)

58% (1951)

55% (1990)